# Author:sp
# CreaTime: $(DATE)
# FileName: $(NAME)
# Description: simple introdution of the code
lst=['可乐','美年达','矿泉水','茶派','哇哈哈','九度']
lst1=[3,3.5,2,5,10,15]
dd=dict(zip(lst,lst1))
print(dd)
goods=input('请输入你想要选购的商品')
flag=False
for item in dd:
    if item==goods:
        print(goods,dd[goods])
    else:
        flag=True
        break
if flag:
    print('没你要的东西')